I have a few little current clamps that I'd like to monitor with a 3.3V Arduino clone + ESP8266 device. I'll use the Arduino clone with an external ADC that provides 12+ bits of resolution, 4+ analog inputs, and can take roughly 600-700 samples per second across all inputs.
The current clamps I have provide 100mv RMS output per 1A of current flowing through their center with a 100 ohm resistor, and I will be monitoring 15A circuits.
I have some ideas how to interface the current clamp output. Rectify into DC, some caps and resistors to get a stable voltage reading since I'm only interested in taking a sampling every 10 second. Is there a more elegant solution or some things that I'm missing?
The current clamps I have provide 100mv RMS output per 1A of current flowing through their center with a 100 ohm resistor, and I will be monitoring 15A circuits.
I have some ideas how to interface the current clamp output. Rectify into DC, some caps and resistors to get a stable voltage reading since I'm only interested in taking a sampling every 10 second. Is there a more elegant solution or some things that I'm missing?
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